AQ25400B “ADD-A-TEMPERATURE” EXPANSION CONTROL PANEL
69-1987—02 16
AUX Settings which the AQ252 uses to control the closure of the AUX.OUT dry contacts.
AUX: ZONE OPN / BOILER /
GROUP
ZONE OPN Based on the setting chosen, the AQ252 closes the
AUX OUT dry contact terminals when:
• ZONE OPN: The end switch of any zone valve on
this AQ254’s group of zones closes or a zone pump
energizes.
• BOILER: The boiler pump energizes.
• GROUP: Any of the thermostats in a Group of zones
(identified by the Zoning Module's DIP switch #7
[AUX] being switched to YES) energize.
SETUP Options for saving settings or restoring previously-saved settings.
SAVE n/a n/a Enables installer to SAVE system settings once the
system has been set up and is working well; Designed
to facilitate quick recovery to proper system operation
in the event of inadvertently changing control settings
(e.g., tampering with the system settings by an
inexperienced user).
RESTORE n/a n/a Selecting this option restores all settings to those
saved by the Installer with the SAVE operation.
RESTORE is only displayed as a menu option if
installer settings have previously been saved using
the SAVE menu item.
• Only displays if the installer has previously saved
the (non-factory default) settings using the SAVE
feature.
FACTORY n/a n/a Selecting this option restores all settings to their
factory defaults.
- EXIT - n/a n/a Exits this sub-menu and returns to the Installer menu.
TEST Tests the outputs, sensor, and zones connected to the AQ254 to ensure correct operation,
and provides the Purge feature.
OUTPUTS Tests the individual system outputs to ensure correct operation.
SEC PUMP ON / OFF OFF Energizes / de-energizes the line voltage terminals (9
and 10) marked Sec. when switched to ON / OFF
respectively.
INJ PUMP 0% to 100% 0% Produces a variable voltage on the Var.Injection line
voltage terminals, according to the setting chosen (0%
to 100%) in increments of 10%.
MIX VLV OFF / OPEN ON / CLOSE ON OFF Energizes the Open terminal (9) or the Close terminal
(10), as selected, of the Motorized Mixing Valve to
open or close the valve.
10V MOD 0V to 10V 0V Produces voltage on the 10 Vdc low voltage terminals
(17 and 18), according to the setting chosen (0V to
10V), in increments of 1V.
AUX ON / OFF
(close / open)
OFF
(open)
Closes / opens the line voltage rated dry contacts
marked Aux. when switched to ON / OFF,
respectively.
SEC PUMP ON / OFF OFF Energizes / de-energizes the line voltage terminals
marked Sec. when switched to ON / OFF respectively.
EXIT n/a n/a Exits this sub-menu and returns to the Installer menu.
Table 3. Installer Menu. (Continued)
EQUIPMENT SETUP
Menu Option Range
Factory
Default Description
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